Pain, Adam (2004) State, Economy and Space in Bhutan in the Early Part of the 19th Century. In: The Spider and the Piglet: Proceedings of the First Seminar on Bhutan Studies. Thimphu, Centre for Bhutan Studies 2004, pp. 160-193 . ISBN 99936-14-19-X
Kinga, Sonam ; Galay, Karma ; Rapten, Phuntsho ; Pain, Adam (1999) Gross National Happiness: an introductory editorial. In: Gross National Happiness: Discussion Papers. Thimpu 1999, pp. 1-6